Graph the parabola.-16x = y2
A. 
B. 
C. 
D. 
Answer: C
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Write as a sum or difference of logarithms. Your results should not contain any exponents or radicals.log 6 
A. log 3 13 - log 3 6 B. log 6 13 + log 6 6 C. log 6 13 - log 6 6 D. log 6 6 - log 6 13
Use a sum or difference identity to find the exact value.tan 75°
A. 
+ 2
B. - 
+ 2
C. 
- 2
D. - 
- 2
Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form.(3(cos 120° + i sin 120°))4
A. 70.15 - 40.5i B. 2.60 - 1.5i C. -1.5 + 2.60i D. -40.5 + 70.15i
Solve the problem.The function 
gives the pressure, in atmospheres (atm), at a depth d feet in the sea. Find and interpret P(47). Do not round your answer.
A. 
; At a depth of 
feet, the pressure is 47 atm.
B. 
; At a depth of 47 feet, the pressure is 
atm.
C. 
; At a depth of 
feet, the pressure is 47 atm.
D. 
; At a depth of 47 feet, the pressure is 
atm.